Sébastien Zimmer


Sébastien Zimmer leverages a 17-year experience in the energy sector, including 9 years in operational positions within energy companies (Total, BP, Engie, EDF) and 5 years as Head of Upstream Gas Infrastructures at the French Energy Regulatory Commission (CRE).

Sebastien has an in-depth experience in the whole gas and LNG value chain: e.g. negotiation of long-term supply, origination of structured deals, portfolio optimization and access conditions to midstream infrastructures. Sebastien also benefits from a direct experience of retail energy markets including gas, power and small-scale LNG.

Sébastien successfully led numerous strategic projects in the gas, LNG and power sectors for global energy players, midsize companies and infrastructure operators. He accompanies Emerton’s clients in the transformation of their business model and the definition of operational and commercial development plans.

Thanks to his direct experience and in-depth expertise of the French gas market and regulatory framework, Sébastien intervenes as an expert in high-stake litigation cases (e.g. price reviews) in gas and LNG long-term contracts.